Results 81 to 90 of about 4,823,697 (162)

New U-Pb geochronology for the Central Atlantic Magmatic Province, critical reevaluation of high-precision ages and their impact on the end-Triassic extinction event. [PDF]

Sci Rep, 2023
Oliveira AL, Schmitz MD, Wall CJ, Crowley JL, Macêdo Filho AA, Hollanda MHBM.   +5 more
europepmc   +1 more source

Regional zircon U-Pb geochronology for the Maniitsoq region, southwest Greenland. [PDF]

Sci Data, 2021
Olierook HKH, Kirkland CL, Hollis JA, Gardiner NJ, Yakymchuk C, Szilas K, Hartnady MIH, Barham M, McDonald BJ, Evans NJ, Steenfelt A, Waterton P.   +11 more
europepmc   +1 more source

Zircon U-Pb geochronology and trace element dataset from the Southern Rocky Mountain Volcanic Field, Colorado, USA. [PDF]

Data Brief, 2022
Sliwinski JT, Guillong M, Lipman PW, Zimmerer MJ, Deering C, Bachmann O.   +5 more
europepmc   +1 more source

Sensitization of OSL Signals in Quartz and Provenance Implications: Insights From Multi‐Spectroscopic Analysis of Quartz From Multiple Geological Settings

Journal of Geophysical Research: Earth Surface, Volume 131, Issue 10, October 2026.
Abstract Quartz optically stimulated luminescence (OSL) sensitivity and electron spin resonance (ESR) signals have been empirically proposed as indicators of sediment provenance. OSL sensitivity is defined as luminescence produced per unit dose (Gray: Gy) per unit mass (mg).
Monika Devi, Serban‐Constantin Grecu, Zsejke‐Réka Tóth, Daniela Constantin, Daniela Brezeanu, Anca Barla, Ion Nesterovschi, Simona Cinta‐Pinzaru, Mihai N. Ducea, Stephen J. Mojzsis, Alida Timar   +10 more
wiley   +1 more source

Limitotipes of Lower Sakmarian and Artinskian stages boundary in the Urals

Литосфера, 2015
The section Usolka and duplicating its section Dal’ny Tulkas (Bashkortostan) are proposed as the stratotypes of the Lower Sakmarian stage boundary and Lower Artinskian stage boundary of the International Stratigraphic scale.
V. V. Chernykh, B. I. Chuvashov
doaj   +2 more sources

Automatic Crater Classification Using a Deep‐Learning‐Based Pipeline

Journal of Geophysical Research: Machine Learning and Computation, Volume 3, Issue 5, October 2026.
Abstract Identifying and classifying impact craters on Mars is crucial for understanding the planet's geological history and surface evolution. Traditional crater classification relies on manual annotation methods, which are often limited by human biases and the difficulty of interpreting geomorphological features.
L. Martinez, F. Andrieu, F. Schmidt, M. S. Bentley   +3 more
wiley   +1 more source

Provenance of the Middle‐Upper Triassic Songpan‐Ganzi Flysch of Western China Revealed by Anisotropy of Magnetic Susceptibility Measurements: Implications for the Tectonic‐Paleogeographic Evolution of the Paleo‐Tethys Ocean

Geochemistry, Geophysics, Geosystems, Volume 27, Issue 10, October 2026.
Abstract The Triassic Songpan‐Ganzi turbidite complex (SGC) on the eastern Tibetan plateau is one of the largest flysch turbiditic complexes on Earth. However, the provenance of its extremely thick turbidites is hotly debated. We conducted the measurement of anisotropy of magnetic susceptibility (AMS) of Triassic turbidites from nine profiles in Ruo ...
Yuhan Yang, Yong Cao, Xiaozhou Ye, Zhenyu Yang, Zhiming Sun, Haibing Li   +5 more
wiley   +1 more source

OIB‐Type Garnet Amphibolites From the Xuerongzangbu Area, Central Lhasa Terrane, Tibet: Implications for Songduo Paleo‐Tethys Ocean Evolution and Permian Mantle Activity Along North Gondwana

Geochemistry, Geophysics, Geosystems, Volume 27, Issue 10, October 2026.
Abstract Whether the Songduo metamorphic belt represents an in situ Paleo‐Tethyan suture within the Lhasa Terrane or far‐traveled allochthonous high‐pressure slices, and how Permian mantle activity along the North Gondwana margin relates to subsequent Tethyan evolution, remain central questions in Tibetan tectonics.
Yuan‐Bo Ma, Xin Jin, Yu‐Xiu Zhang, Zhi‐Wu Li, Shahbaz Bin Khalid, Ji‐Heng Zhang, Wen‐Guang Yang, Li‐Dong Zhu, Gang Tao, Kai‐Jun Zhang   +9 more
wiley   +1 more source

Permian fluid circulation and deformation along a crustal-scale shear zone in the Montagne Noire gneiss dome (southern French Massif Central)

BSGF - Earth Sciences Bulletin
U-Th-Pb LA-ICPMS (Laser Ablation − Inductively Coupled Plasma Mass Spectrometry) has the power to elucidate the timing of metamorphism, deformation, migmatization, and plutonism.
Roger Françoise, Trap Pierre, Teyssier Christian, Whitney Donna L., Paquette Jean-Louis, Hamelin Clémentine, Respaut Jean-Patrick, Coëffier Noëllie, Vanardois Jonas, Rey Patrice F.   +9 more
doaj   +1 more source

Magmatic history of the Oldest Toba Tuff inferred from zircon U-Pb geochronology. [PDF]

Sci Rep, 2020
Ito H.
europepmc   +1 more source